#include"SList.h"
void test1() {
    SL *s=NULL;
    SListPushFront(&s, 1);
    SListPrint(s);
    SListPushFront(&s, 2);
    SListPrint(s);
    SListPushFront(&s, 3);
    SListPrint(s);
    SListPushFront(&s, 4);
    SListPrint(s);
    SListPushBack(&s, 3);
    SListPrint(s);
    SListPopBack(&s);
    SListPrint(s);

}
int main() {
    test1();
    return 0;
}

